ref: 3805e56edc4f1f0f7426f9cf7278e18405ae66c4
dir: /acme/bin/Isspam/
#!/bin/rc if(! ~ $#* 0){ echo usage: Isspam >[1=2] exit usage } if(! ~ `{pwd} /mail/fs/*/[0-9]* || ! test -f raw || ! test -f unixheader){ echo must run in mail directory >[1=2] exit 'bad dir' } cat unixheader raw | upas/isspam